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本文进行了ISO4695和ISO7215反应管还原稳定性对比试验。试验证明ISO4695双层反应管的标准差较小。研究了还原气体的流量和杂质O_2、CO_2、H_2O对还原的影响,并对ISO4695和ISO7215的结果表示方法、计算公式、误差等进行了分析和讨论。
In this paper, ISO4695 and ISO7215 reaction tube reduction stability comparison test. The test shows that the standard deviation of the ISO 4695 double-layer reaction tube is small. The effects of reductant gas flow and impurities O 2, CO 2 and H 2 O on the reduction were studied. The results, the calculation formulas and the errors of ISO 4695 and ISO 7215 were analyzed and discussed.